CONTENTS IX 



PAGE 



Seed Production. Life History. Life Period. Depth 

 of Root System. Proportion of Roots to Tops. Regional 

 Strains. Feeding Value. Injurious Insects. Diseases. 

 Variability. Disease Resistance. Breeding. Methods 

 of Breeding. Desirable Types of Improved Timothies. 

 Comparison of Vegetative and Seed Progeny. Field Trials 

 with Improved Strains. 



CHAPTER VIII. BLUE-GRASSES, MEADOW-GRASSES AND RED- 

 TOP 154 



Kentucky Blue-grass (Poa pratensis) : Botany ; Adapta- 

 tions ; Importance ; Characteristics ; Culture ; Fertilizers ; 

 Yields of Hay ; Seed Production ; Seed ; Hybrids. Canada 

 Blue-grass (Poa compressa*) : Botany ; Seed ; Culture ; 

 Adaptations ; Importance. Texas Blue-grass (Poa arach- 

 nifera). Fowl Meadow-grass (Poa triflora). Rough- 

 stalked Meadow-grass (Poa trimalis). Wood Meadow-grass 

 (Poa nemoralis). Redtop : Names ; Botany ; Agricultural 

 History ; Adaptations ; Characteristics ; Importance ; Vari- 

 ability ; Regional Strains ; Culture ; Yield of Hay ; Seed 

 Production ; Seed. 



CHAPTER IX. ORCHARD-GRASS, TALL OAT-GRASS AND BROME- 



GRASSES 176 



Orchard-grass : Description ; Botany ; Agricultural His- 

 tory ; Climatic Adaptations ; Soil Preferences ; Adaptation 

 to Shade; Variability; Advantages and Disadvantages; Im- 

 portance ; Seeding of Orchard-grass ; Life History ; Har- 

 vesting for Hay ; Yields of Hay ; Harvesting Orchard-grass 

 for Seed ; Weeds ; Seed ; Sources of Seed ; Utilization of 

 Stubble and Aftermath ; Mixtures ; Pasturage Value ; Feed 

 Value ; Value as a Soil Binder ; Improvement by Selec- 

 tion;. Pests. Tall Oat-grass (Arrhenatherum elatius'} : 

 Names ; Botany ; Agricultural History ; Adaptations ; Im- 

 portance ; Characteristics ; Seeding ; Hay ; Seed Production ; 

 Seed; Mixtures. Brome-grass : Names and Description; 

 Botany ; Agricultural History ; Adaptations ; Depth of 

 Roots ; Method of Seeding ; Rate of Seeding Brome-grass ; 

 Time to Cut for Hay ; Hay ; Fertilizers ; Treatment of 

 Meadows ; Seed Production ; Seed ; Pasture Value ; Mix- 

 tures ; Variability. 



